33123012112 has 10 divisors (see below), whose sum is σ = 64175835998. Its totient is φ = 16561506048.

The previous prime is 33123012019. The next prime is 33123012173. The reversal of 33123012112 is 21121032133.

It can be written as a sum of positive squares in only one way, i.e., 23147796736 + 9975215376 = 152144^2 + 99876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33123012112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035094113 + ... + 1035094144.

Almost surely, 2^33123012112 is an apocalyptic number.

It is an amenable number.

33123012112 is a deficient number, since it is larger than the sum of its proper divisors (31052823886).

33123012112 is a wasteful number, since it uses less digits than its factorization.

33123012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070188265 (or 2070188259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33123012112 its reverse (21121032133), we get a palindrome (54244044245).

The spelling of 33123012112 in words is "thirty-three billion, one hundred twenty-three million, twelve thousand, one hundred twelve".